There is a sea snail that wears a suit of iron plated armor. It is the only known animal to use iron sulphide as skeletal material.
9
The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
2
Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
The Hercules beetle, despite weighing only 100 grams, can lift 8 kilograms, making it one of the proportionally strongest animals in the world.
8
Allegedly, Chrysippus, the Greek philosopher, died of laughter after getting his donkey drunk and watching it try to eat figs.
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